Vitamin b1 and Plavix drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamin b1 (thiamine) and Plavix (clopidogrel bisulfate). Common drug interactions include upper gastrointestinal haemorrhage among females and dizziness among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamin b1 and Plavix. It is created by eHealthMe based on reports of 77 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamin b1?

Vitamin b1 has active ingredients of thiamine. It is often used in fatigue. eHealthMe is studying from 4,661 Vitamin b1 users. Check the latest studies of Vitamin b1.

What is Plavix?

Plavix has active ingredients of clopidogrel bisulfate. It is often used in stent. eHealthMe is studying from 151,178 Plavix users. Check the latest studies of Plavix.



On Jul, 02, 2026

77 people who take Vitamin b1 and Plavix together, and have interactions are studied.

Vitamin b1 and Plavix drug interactions.

What are the common drug interactions of Vitamin B1 and Plavix, by gender? *:

female:

  1. Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)
  2. Chronic kidney disease
  3. Asthenia (weakness)
  4. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  5. Nephrogenic anaemia (anaemia due to kidney disease)
  6. Renal failure (kidney dysfunction)
  7. Renal tubular necrosis (death of kidney tubules)
  8. Abdominal discomfort
  9. Abnormal behaviour
  10. Activities of daily living impaired

male:

  1. Dizziness
  2. Dehydration (dryness resulting from the removal of water)
  3. Hypercapnia (too much smoke)
  4. Hypovolaemia (a decreased volume of circulating blood in the body)
  5. Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)
  6. Scratch
  7. Angiopathy (generic term for a disease of the blood vessels)
  8. Arrhythmia (irregular heartbeat)
  9. Arteriosclerosis (thickening and hardening of arteries)
  10. Arthritis (form of joint disorder that involves inflammation of one or more joints)

What are the common drug interactions of Vitamin B1 and Plavix, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Actinic keratosis (skin disease due to sun exposure)
  2. Arteriosclerosis (thickening and hardening of arteries)
  3. Arthralgia (joint pain)
  4. Cardiac failure congestive
  5. Cardiomegaly (increased size of heart than normal)
  6. Chapped lips (cracking, fissuring, and peeling of the skin f lip)
  7. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  8. Chronic kidney disease
  9. Colon cancer
  10. Diaphragmatic hernia (defect or hole in the diaphragm that allows the abdominal contents to move into the chest cavity)

50-59:

  1. Lung infection
  2. Multiple sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
  3. Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
  4. Parkinson's disease
  5. Perineal abscess
  6. Perineal infection
  7. Perirectal abscess
  8. Pyrexia (fever)
  9. Rash pruritic (redness with itching)
  10. Respiratory distress (difficulty in breathing)

60+:

  1. Fall
  2. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  3. Tremor (trembling or shaking movements in one or more parts of your body)
  4. Constipation
  5. Drug ineffective
  6. Gait disturbance
  7. Gastric ulcer (stomach ulcer)
  8. Hypoaesthesia (reduced sense of touch or sensation)
  9. Insomnia (sleeplessness)
  10. Jejunal perforation (a hole in jejunum)

What are the existing conditions these people have? *

  1. Pain: 10 people, 12.99%
  2. High Blood Cholesterol: 9 people, 11.69%
  3. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 9 people, 11.69%
  4. High Blood Pressure: 8 people, 10.39%
  5. Gout (uric acid crystals building up in the body): 7 people, 9.09%
  6. Sleep Disorder: 6 people, 7.79%
  7. Cardiac Disorder: 6 people, 7.79%
  8. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 6 people, 7.79%
  9. Multiple Myeloma (cancer of the plasma cells): 6 people, 7.79%
  10. Depression: 6 people, 7.79%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin b1 and Plavix?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Vitamin b1 and Plavix:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Vitamin b1:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Plavix:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Vitamin b1 and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Plavix and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study uses data from the FDA. It is based on thiamine and clopidogrel bisulfate (the active ingredients of Vitamin b1 and Plavix, respectively), and Vitamin b1 and Plavix (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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